Technical information

J-26
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Timers & control relays
Timingdevices
Delay on de-energisation Unequal repeating timer Star delta timer Defrost timer Multi start attempt
DOD DUR DSD DDT DMSA
On application of supply the relay
operates. On removal of supply
the pre-set time period begins.  On
lapse of the pre-set time period
the relay releases.  If supply is
re-applied during the time period
(before relay releases) the time
periodisresetandtherelayremains
on.
Note:
DOD should not be operated
by pulses shorter than 30s. The
supplyshouldbeappliedforalleast
30% of the time period. For these
purposes the relay DMFT, operated
by external contact function, should
be used.
Time Ranges:
Selectableviafrontknobs
Asymmetrical Recycler “ON” time
first. Timerwith two independently
adjustable time ranges one for “on”
period and another for “off” period.
On application of supply the relay
operates and the pre-set “on” time
period begins on lapse of the “on”
period the relay releases for the
seperately pre-set “off” time period.
This cycle continues until supply is
removed.
(By bridging terminals 7 and 9 the
sequence can be reversed with the
”off”timeperiodfirst)
SelectabletimerangeA+B
(viafrontmountedselector)
On application of supply the relay
switches to the “star” position
(contact 2) the pre-set “star” time
period begins.  on lapse of the set
time period. The relay returns to a
neutral position for the transition
period (adjustable between 40
- 180ms) whereafter the relay
switches to the delta position
(contact 4) and remains there until
supply is removed.
Time Range
Star:30(or)60s(viafrontselector)
Transition:40-180ms
(adjustable)
Configurable for 4-hour (defrost
cycle every 4 hours)  or 8-hour
cycles. On application of supply
the pre-select (1-60min) defrost
cycle begins. Thereafter the device
switches to the cooling cycle
activating the pre-set fan delay
(1-60sec to prevent water splatter
andwarmairblowingintotheroom)
whereafterthefanstarts.
Bridging contacts 7 and 9 changes
to cooling cycle.  ideal for testing
purposesor forcuttingdefrost cycle
shortifcontrolledbythermostat.
Time Ranges
Cycle:4hr(or)8hr
(viafrontmountedselector)
Defrost:3-60min
Fan:3-60sec
Multi start attempt unit can be
selected to start 3-8 times before
energizing the alarm relay. The
unit can be supplied with voltages
ranging from 10-30Vdc. Start and
stop time can be adjusted from
1-30sec.
Time Range
Star:0-30sec
Transition:0-30sec(pause)
110,230,400Vareequippedwithinternaltransformervoltage(testvolts:2kV)
±0.5%
±0.2%
viadedicatedcalibratedfrontknob(scaleaccuracy:±5%)
AC:12,24,48,110,230,400,525V±15%
DC:12,24,48,±15%
10-30Vdc
6A250Vac 10A250Vac 6A250Vac 6A250Vac 6A250Vac
AC:±2.4VA
DC:100mA
100mA
0.5sec(500mSec)
4kVbetweensupply/outputandadjacentcontacts
1kVbetweenopencontacts.
N/A
30millionoperations
(operating)-20+60°C
(H)92mmx(D)64mm(W)35.5mm(2moduleswide)
466.00 483.00 438.00 502.00 593.00
TIME RANGE A
NO
ON(adj) OFF(adj)
1 0.3-6s 0.3-6s
2 3-60s 3-60s
3 0.3-6m 0.3-6m
4 3-60m 3-60m
5 0.3-6s 0.3-60s
6 3-60s 3-6s
7 0.3-6s 0.3-60m
8 3-60m 3-6s
TIME RANGE B
NO
ON(adj) OFF(adj)
1 3-60s 3-6m
2 0.3-6m 0.3-60s
3 3-6m 3-60m
4 0.3-60m 0.3-6m
5 3-60m 3-6h
6 0.3-6h 0.3-60m
7 3-60s 3-6h
8 0.3-6h 0.3-60s
TIME RANGE A
NO
1
0.3-6s
2 0.9-30s
3 6-60s
4 0.9-6m
5 0.3-30m
6 6-60m